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Finding the Fourth Proportional to 675,308.68, 931,014.02 and 433,170.92

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Solution

The fourth proportional to 675,308.68, 931,014.02 and 433,170.92 is: 597,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,308.68 : 931,014.02 = 433,170.92 : x
  2. Step 2: Convert to fraction form
    675,308.68/931,014.02 = 433,170.92/x
  3. Step 3: Cross multiply
    675,308.68x = 931,014.02 × 433,170.92
  4. Step 4: Simplify right side
    675,308.68x = 403,288,199,576.30
  5. Step 5: Solve for x
    x = 403,288,199,576.30/675,308.68
  6. Step 6: Final answer
    x = 597,190.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.